Vain example sentences

People felt that their suffering would not be in vain… accepted the trauma of displacement believing in the promise of irrigated fields and plentiful harvests.Long live Chile! Long live the people! Long live the workers! These are my last words and I have certainty that my sacrifice will not be in vain; I have certainty that, at the least, I will be a moral lesson to castigate felony, cowardice, and treason.